Girl sitting on Chill mattress

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10 Year Warranty


100 Night Mattress Trial

Cocoon Chill


A premium memory foam mattress coupled with cooling technology designed to help keep your body cooler as you sleep.

The Chill mattress in a Firm is great for those who require sturdy support from their bed, with a robust feel.

Furniture not included.

Foundation sold separately.

The Cocoon by Sealy Chill, FIRM —$599 (Queen) OR $50/month2 for 12 months with equal payments1 · Learn More & Apply

Mattress in a Box

A mattress delivered in a box?

That's right, your Cocoon™ by Sealy is shipped for free in an easily moveable box that measures 15" x 15" x 44". Sorry, cute dog not included.

Mattress Specs

Size Length Width Height Weight
Twin 74.5" 38" 10" 39.5 lbs
Twin XL 79.5" 38" 10" 42.1 lbs
Full 74.5" 53" 10" 55.7 lbs
Queen 79.5" 60" 10" 64.4 lbs
King 79.5" 76" 10" 82.6 lbs
Cal King 83.5" 72" 10" 82.5 lbs

Additional Details

Country of Origin

Designed and built in the USA.

Shipping Costs

Free shipping and free returns in the USA.


10-year limited warranty.


The foams used in the Cocoon Chill mattress have been certified by the CertiPUR-US® program, a not-for-profit organization that conducts rigorous safety inspections prior to awarding certifications, thus ensuring the safety of our product.

Foundation or Box Spring

The Cocoon Chill mattress can be used on one of our custom designed Cocoon Foundations. You may also use a box spring, an adjustable base, a platform bed frame, or a slatted bed frame, as long as the slats are at least 2 inches wide and no more than 5 inches apart.

Free Returns

100 Night Trial · Free Shipping · 10 year mattress warranty

Our hassle free promise

We want to make sure you're getting the best sleep of your life. If you don't love your mattress, we'll refund your money, pick it up for free, and donate it to a local charity - no questions asked.


For questions about our products, check out our FAQs page or give our Support team a call.

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